Prince William County Government--emergency Only V/tty, Property & Evidence Manassas, VA 20108 Phone : (703) 792-6509 Business Category Government Offices & Public Schools Prince William County Government--question, Direct Dial Numbers, Police Department, Western District Offices, Property Evidence Manassas, VA 20108 Phone : (703) 792-6509 Business Category Police Departments Government Offices & Public Schools Prince William County Government--police Department, Property & Evidence Manassas, VA 20110 Phone : (703) 792-6509 Business Category Government Offices-County Police Departments Government Offices & Public Schools Prince William County Of--manassas, Police Department, Western District Offices, Property Evidence Manassas, VA 20110 Phone : (703) 792-6509 Business Category Government Offices-County Police Departments Government Offices & Public Schools